Multiple choice

Which of the following statements is/are false? a. The lesser the current flows through a coil, the more powerful is the electromagnet. b. Whenever current passes through a straight conductor, it behaves like a magnet. c. The magnetic field set up by the conductor is at right angles to the direction of the flow of current.

  1. Only a

  2. The a and b

  3. Only b

  4. Only b and c

  5. Only c
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The lesser the current flows through a coil, the more powerful is the electromagnet, is a false statement. Thus, it is the correct option. The more the current flows through a coil, the more powerful is the electromagnet.

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